Reaching Grid Parity

Here's a chart to show conventional electricity cost converted into dollar per watt for grid-parity.

Currently with cost of grid-tie system is as low as $5.44/w installed, it is obvious to see that Hawaii and California already reaches grid-parity.

By 2009 grid-tie system cost will be at $4.77/w, $3.79/w in 2010 and $3.28/w by 2011.

In three years 16 states shall reach grid-parity.

Electricity Grid-Parity
States - Cost ¢/kWh - $/Watt
HAWAII - 18.10 - $7.31
CALIFORNIA - 12.50 - $5.27
NEW YORK - 14.50 - $4.33
NEVADA - 9.70 - $4.09
ARIZONA - 8.70 - $3.97
TEXAS - 9.70 - $3.92
MAINE - 12.20 - $3.86
RHODE ISLAND - 12.20 - $3.86
VERMONT - 12.90 - $3.85
NEW JERSEY - 11.20 - $3.74
NEW HAMPSHIRE - 12.50 - $3.73
CONNECTICUT - 11.60 - $3.67
MASSACHUSETTS - 11.80 - $3.52
FLORIDA - 9.00 - $3.48
COLORADO - 8.40 - $3.25
IOWA - 9.00 - $3.16
ALASKA - 12.40 - $3.05
UTAH - 7.20 - $3.04
NORTH CAROLINA - 8.50 - $2.99
KANSAS - 7.70 $ - 2.98
OKLAHOMA - 7.70 - $2.98
WYOMING 7.20 $2.91
MISSISSIPPI - 8.20 - $2.88
WISCONSIN - 9.10 - $2.88
PENNSYLVANIA - 9.60 - $2.87
LOUISIANA - 8.10 - $2.85
SOUTH CAROLINA - 8.10 - $2.85
NEBRASKA - 7.00 -$2.83
ILLINOIS - 8.40 0 $2.80
GEORGIA - 7.90 - $2.78
SOUTH DAKOTA - 7.70 - $2.71
ALABAMA - 7.60 - $2.67
VIRGINIA - 8.00 - $2.67
MONTANA - 7.90 - $2.64
DELAWARE - 7.80 - $2.60
MARYLAND - 7.80 - $2.60
ARKANSAS - 7.40 $ - 2.60
OHIO - 8.50 - $2.54
OREGON - 7.20 - $2.53
MINNESOTA - 7.90 - $2.50
MICHIGAN - 8.30 - $2.48
MISSOURI - 7.00 - $2.46
INDIANA - 7.30 - $2.31
TENNESSEE - 6.90 - $2.30
NORTH DAKOTA - 6.80 - $2.27
IDAHO - 6.10 - $2.14
WASHINGTON - 6.40 - $2.14
KENTUCKY - 6.10 - $2.04
WEST VIRGINIA - 6.20 - $1.85